Rowh, Mark Opportunities in technical sales careers / Technical sales carees Mark Rowh ; foreword by Ramon Avila - Chicago : VGM Career Books, 2002 - xi, 147 p. ; 20 cm. - VGM opportunities series . Includes bibliographical references ISBN: 0658000519 RM63.80 LCCN: 2001-035500 Subjects--Topical Terms: Selling--Technology